diff --git a/pubspec.yaml b/pubspec.yaml
index 94cc092..a42d5cb 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -18,7 +18,7 @@ dependencies:
 dev_dependencies:
   test: ^1.0.0
   dart_jsonwebtoken: ">=2.12.2 <4.0.0"
-  lints: ">=2.1.0 <7.0.0"
+  lints: ^6.0.0
   json_serializable: ^6.7.1
   build_runner: ^2.4.6
   pub_semver: ^2.1.5
diff --git a/test/tenant_token_test.dart b/test/tenant_token_test.dart
index 23ff10f..6f54a57 100644
--- a/test/tenant_token_test.dart
+++ b/test/tenant_token_test.dart
@@ -131,8 +131,8 @@ void main() {
         final key = sha1RandomString();
         final uid = sha1RandomString();
         final token = generateToken(uid, searchRules, key);
-        final claims = JWT.verify(token, SecretKey(key)).payload;
-
+        final claims =
+            JWT.verify(token, SecretKey(key)).payload as Map<String, Object?>;
         expect(claims['apiKeyUid'], equals(uid));
         expect(claims['searchRules'], equals(searchRules));
       });